001
014
015 package com.liferay.portal.security.auth;
016
017 import com.liferay.portal.kernel.exception.PortalException;
018 import com.liferay.portal.kernel.exception.SystemException;
019 import com.liferay.portal.kernel.facebook.FacebookConnectUtil;
020 import com.liferay.portal.kernel.util.GetterUtil;
021 import com.liferay.portal.kernel.util.Validator;
022 import com.liferay.portal.model.User;
023 import com.liferay.portal.service.UserLocalServiceUtil;
024 import com.liferay.portal.util.PortalUtil;
025 import com.liferay.portal.util.WebKeys;
026
027 import javax.servlet.http.HttpServletRequest;
028 import javax.servlet.http.HttpServletResponse;
029 import javax.servlet.http.HttpSession;
030
031
034 public class FacebookAutoLogin extends BaseAutoLogin {
035
036 @Override
037 protected String[] doLogin(
038 HttpServletRequest request, HttpServletResponse response)
039 throws Exception {
040
041 long companyId = PortalUtil.getCompanyId(request);
042
043 if (!FacebookConnectUtil.isEnabled(companyId)) {
044 return null;
045 }
046
047 User user = getUser(request, companyId);
048
049 if (user == null) {
050 return null;
051 }
052
053 String[] credentials = new String[3];
054
055 credentials[0] = String.valueOf(user.getUserId());
056 credentials[1] = user.getPassword();
057 credentials[2] = Boolean.FALSE.toString();
058
059 return credentials;
060 }
061
062 protected User getUser(HttpServletRequest request, long companyId)
063 throws PortalException, SystemException {
064
065 HttpSession session = request.getSession();
066
067 String emailAddress = (String)session.getAttribute(
068 WebKeys.FACEBOOK_USER_EMAIL_ADDRESS);
069
070 if (Validator.isNotNull(emailAddress)) {
071 session.removeAttribute(WebKeys.FACEBOOK_USER_EMAIL_ADDRESS);
072
073 return UserLocalServiceUtil.getUserByEmailAddress(
074 companyId, emailAddress);
075 }
076 else {
077 long facebookId = GetterUtil.getLong(
078 (String)session.getAttribute(WebKeys.FACEBOOK_USER_ID));
079
080 if (facebookId > 0) {
081 return UserLocalServiceUtil.getUserByFacebookId(
082 companyId, facebookId);
083 }
084 }
085
086 return null;
087 }
088
089 }